Lots of people are just assholes regardless of gender, race, etc. Fact of life and it's never going to change, period. Do I condone the behavior? Absolutely not. Am I going to get offended and try to change human nature over it? Nope. Do I have an ego large enough to come onto the forums and think I'm important enough to represent the entire community? Nope.
If anything, Bungie should have said something about the type of behavior displayed in the stream to be completely unacceptable and that they may have to rethink developer/community events if that how people are going to act.